/Engine/Source/Runtime/Engine/Public/AudioDevice.h
Gets the max distance and focus factor of a sound.
void GetMaxDistanceAndFocusFactor ( [USoundBase](API\Runtime\Engine\Sound\USoundBase) * Sound, const [UWorld](API\Runtime\Engine\Engine\UWorld) * World, const FVector & Location, const [FSoundAttenuationSettings](API\Runtime\Engine\Sound\FSoundAttenuationSettings) * AttenuationSettingsToApply, float & OutMaxDistance, float & OutFocusFactor )